SIGNED on the ffep, " To______, with my best wishes, Frank A. Smith". Lightly rubbed at the extremities, light crease across the bottom edge of the front panel, 3/8" circular yellowish stain on the rear panel and minor shelf wear to show. Unclipped with $3.95 on both front & rear inside panels. The text block is clean, solid and appears unread. The spine is slightly cocked, otherwise NearFine. Some erased prices in pencil on ffep. A very scarce title and especially so when signed and in collectable condition. The author's first novel and first appearance of Superintendent Pepper of the London Special Branch.